The [FolderServeWebPage] class just serves files found in [code]serve_folder[/code], and it's subfolders. If a file does not exists, it sends a 404 error.
As an example let's take this folder:
[code]content_folder/
-- ct/
---- ctf.jpg
-- file1.md
-- test.jpg[/code]
A [FolderServeWebPage] is pointed to the [code]content_folder[/code] folder, it's set as a child of a [WebRoot], and it's uri segment is [code]served_files[/code]:
[code]Opening: http://127.0.0.1/served_files will send a 404 error.
Opening: http://127.0.0.1/served_files/file1.md will send page1.md.
Opening: http://127.0.0.1/served_files/test.jpg will send page2.md.
Opening: http://127.0.0.1/served_files/ct will send a 404 error.
Opening: http://127.0.0.1/served_files/ct/ctf.jpg will send ctf.jpg.[/code]